21955425

素因数分解:

$3^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{4799}}^1$

素因数の和:4873

約数の個数: 24

約数和(自身を含む): 36902400

約数和(自身を除く): 14946975

約数列:

[1, 3, 5, 15, 25, 61, 75, 183, 305, 915, 1525, 4575, 4799, 14397, 23995, 71985, 119975, 292739, 359925, 878217, 1463695, 4391085, 7318475, 21955425]

約数ペア:

[(1, 21955425), (3, 7318475), (5, 4391085), (15, 1463695), (25, 878217), (61, 359925), (75, 292739), (183, 119975), (305, 71985), (915, 23995), (1525, 14397), (4575, 4799)]